#-*- coding:utf-8 -*-
#python3.5

#打印字符串以及数学表达式
print('crossin')
print(1+2-3*5/7)

#两次print，但只显示一行
print('this is first line,', end='')
print('this is also first line')

#一次print显示两行
print('here occupies a line ,\nhere occupies another line')

# 输出空行
print()

#python2.7
# print 'provinm'
# print 1+2-3*5/7
#
# print 'this is first line,',
# print 'this is also first line'
# print 'here occupies a line ,\nhere occupies another line'